<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>draggable</title>
    <style>
    #test {
        width: 100px;
        height: 100px;
        border:1px solid #333;
        box-sizing: border-box;
    }
    </style>
</head>
<body>
    <div id="test" style="position: relative; transform:matrix(1, 0, 0, 1, 0, 0);"></div>
    <script src="app.js" ></script>
</body>
</html>